Definition of spark

• n. - A small particle of fire or ignited substance which is emitted by a body in combustion.
• n. - A small, shining body, or transient light; a sparkle.
• n. - That which, like a spark, may be kindled into a flame, or into action; a feeble germ; an elementary principle.
• n. - A brisk, showy, gay man.
• n. - A lover; a gallant; a beau.
• v. i. - To sparkle.
• v. i. - To play the spark, beau, or lover.